Check local carrier 4G(LTE) connectivity

Even if a device supports some or all of the required frequencies for this carrier, it will not be able to connect unless the device is approved for this network.

The OnePlus 6T is a Verizon-certified (Open Development) CDMA-less device, which supports most of Verizon's telecom services. As the services offered by virtual operators (MVNO) using the Verizon CDMA network may be different, certain functions may be incompatible. If you are using a virtual carrier, please consult your operator for more information.